last•ingPronunciation: (las'ting, lä'sting), [key]
continuing or enduring a long time; permanent; durable: a lasting friendship.
a strong, durable, closely woven fabric for shoe uppers, coverings on buttons, etc.
the quality of surviving or continuing and maintaining strength, effectiveness, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.